// list of all items from the set
public static async Task <SelectList> ToSelectListAsync <TEntity>(this IQueryable <TEntity> set, Expression <Func <TEntity, object> > customOrderBySelector = null)
where TEntity : class
{
if (IDNameObjectType <TEntity> .IsSimplifiable)
{
var list = await SelectListManager <TEntity> .SimpleINOQuery(set, customOrderBySelector).ToEntityListAsync();
return(SelectListManager <SimpleIDNameObject> .FromList(list));
}
else
{
var list = await SelectListManager <TEntity> .Query(set, customOrderBySelector).ToEntityListAsync();
return(SelectListManager <TEntity> .FromList(list));
}
}
// selectedOnly == true - list of one only (selected) item
// otherwise - list of all items from the set
public static async Task <SelectList> ToSelectListAsync <TEntity>(this IQueryable <TEntity> set, object selectedID, bool selectedOnly, Expression <Func <TEntity, object> > customOrderBySelector = null)
where TEntity : class
{
if (IDNameObjectType <TEntity> .IsSimplifiable)
{
var q = (selectedOnly)
? SelectListManager <TEntity> .SimpleINOQuery(set, selectedID)
: SelectListManager <TEntity> .SimpleINOQuery(set, customOrderBySelector);
return(SelectListManager <SimpleIDNameObject> .FromList(await q.ToEntityListAsync(), selectedID));
}
else
{
var q = (selectedOnly)
? SelectListManager <TEntity> .Query(set, selectedID)
: SelectListManager <TEntity> .Query(set, customOrderBySelector);
return(SelectListManager <TEntity> .FromList(await q.ToEntityListAsync(), selectedID));
}
}